What is West Nile Virus?

West Nile Virus (WNV) is a potentially serious virus, most commonly spread by infected mosquitoes. Mosquitoes become infected when they feed on infected birds. WNV can cause fever, inflammation of the brain, the lining of the brain, and the spinal cord. WNV can be transmitted year-round in Texas.

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1. What is West Nile Virus?
2. What are the symptoms of WNV?
3. How does WNV spread?
4. What happens if a trap tests positive for WNV?
5. Is there a vaccine available to protect people from WNV?
6. How soon do people get sick after getting bitten by an infected mosquito?
7. Who is at risk for serious illness if infected with WNV?
8. What is the treatment for WNV disease?
9. How can people reduce the chance of getting infected?